Carbid-feed valve.



l N01 874,351. PATBNTED DBO. 17, .1907.

'E E. STOVER.

CARBID FEED VALVE. APPLICATION FILED AUG. 1., 1907..

UNrTED STAT-Es MNTENT OEEIOE.

FRANK E. STOVER, OE CHATTANOOGA TENNESSEE, ASSIC'NOE To THE C. E. LYNCH MANU- FACTURING COMPANY, OE CHATTANOOCA, TENNESSEE, A CORPORATION oE TENNESSEE.

Y Canam-FEED VALVE.

To alwhom it may concern: Be it known that I, FRANK E. STOVER, a citizen of the United States, residing at Chattanooga, in the county of Hamilton, State of Tennessee, have invented new and useful Improvements in Carbid-Feed Valves, of which the following is a specification.

My invention relates to carbid feed valves for acetylene 4gas generators, and has for its object to provide an improved construction of the same whereby not only will the feed of the carbid be effectually checked when the valve is closed, but will also be cheeked when said valve isabnormally opened, the initial opening of the valve accelerating the iiow of the carbid. l These objects I accomplish in the mannerand by the means hereinafter described and claimed, reference being had to the accompanying drawing, inwhich:-

Figure 1 is a central vertical sectional'view of a carbid chamber Vvith my improved valve in position therein. Fig. 2 is'A a horizontal sectio'nal view taken on theline 2 2, Fig. 1L

Similar numerals of reference denote corres onding parts in the twoviews. f

n the said drawing the reference numeral 1 denotes a carbid chamber of a constructionsubstantially similar to that shown in Letters Patent No. 853,746, granted to me May 14, 1907, a valve controlling rod 2,.`detach ably connected at its upper end to a feed rod` 3, passing downward in a pocket 4 formed in -the side of chamber 1 serving to control the vertical movement .of the valve hereinafter described. v

The lower end of carbid chamber 1 is contracted into a funnel-shaped bottom 5 hav-` ing a central aperture 6 therein for the discharge of the carbid, while Within said chamber at a distance above said funnel-shaped v bottom 5 is a similar funnel-shaped partitionl 7 similarly apertured centrally at 8, suitable braces 9 being employed to strengthen the lsJ'ame-to sustain the weight of carbid in chamer 1. Located in the space between said bottom 5 and partition 7 is my improved feed valve, the samev embodying 'a circular flat top surface-10 somewhat broader than the opening 8 in the partition 7, a neck 1 1, and an enlarge-4 ment 12 that normally fits into and closes the discharge opening 6 in the bottom 5, the under side of said enlargement lying sub1 Specification of Letters Patent.

Application'iled August 1, 1907. Serial No. 386,679.

stantially parallel with theinner side of the Patented Dec. 17, 1907.

bottom 5. A rod 13 extending downwardly -from said valve is connected tothe valve rod 2, while a rod 14 extending upward centrally from said valve'passes -freely.` through an ing its vertical movement.

From the above description -the operation ofniy improved construction will be understood as follows: With the valve in its closed position, as shown in Fig. 1, the enlargement 12 thereof ittingwithin the bottom 5 effectually closes the same. At the same, time the upper flat surface 10 thereof lies well below the opening 8 in partition 7, and

' the carbid flows through said opening 8 and builds up on andvaround said flat surface 10 and valve neck 11. Now, when the Valve rod 2 is operated to lift the valve from its seat the u ward movement ofthe flat surface 10 towar s the partition 7 forces offen all sides the carbid piled thereon wherebyit may more readily feed through the opening 6, as will be vreadily understood. A further or ab- 'normal upward movement of the valve results' in checking the ilowof the carbid lthrough opening 8 in partition 7 as the upper surface 10 of the vvalve approaches said partition, and a suiiic'ient upward movement will necessarily completely stop the' same, as willY be readily understood. The action of the iiat upper surface 10 thus initially augment's the o'w of the carbid when the valve is first opened, and then u on further upward movement thereof gral uall checks the iiow, and upon sufficient upwar `movement completely stops the flow:

Having thus described my invention, what I claim as newl and desire to secure by Letters Patent is:

1. In combination with a carbidchamber having an unobstructed discharge opening in its'bottom and a partition above said bottom provided withY an unobstructed aperture therethrough, a `feed valve located in the space between said bottom and partition and having a flat top surface, said feed valve adapted in its downward movement to close said bottom aperture, in its initial upward movement to augment the flow of carbid, and in its .further upward movement to stop the flow of carbid.

2. In combination with a carbid chamber having a discharge opening in its bottom and an apertured partition above said bottom. a

feed Yu-lve located in the space between said bottom sind. partition amd having e Het top surface and a lower closing enlargement, said let top surface acting' upon the initial upward movement of Seid Valve to force oill therefrom the carbid piled thereon, and u pon further upward movement to stop the f'lowof carbid through the aperture in said partition.

3. In emnbinetion with a. carbid chamber having; :t funnebshztped bottom with :t eentral discharge opening therein, sind u simik larl)T shaped centrally npertnred partition above Seid bott-oni, ufeed Valve located in the space between said bottom and partition :nid raving e llet top surface and e lower l5 Closing enlargement, said Het ytop eurface noting upon the initial upward movement of said Valve to force off therefrom the carbid pile-,l thereon, and upon further upward movement to stop the llow of carbid through 2O the aperture in seid partition,

In teetimonj,v whereof, I have hereunto .signed my nume in the presence of two Subscribing witnesses.

FRANK E. STOVER.

D: C. MCKIM, EMMn'r C. Bernini.

' Witnesses: 

